INDEX 



Wind Pollination, 102, 104, 105, 



107, 108, 168, 169, 177, s 50, 60, 



61, 126, 127. 



Winter Plants, 61-71, s 37-41. 

 Woodwardia, 80, 81, Fig. 28, p. 



78, s 46. 

 Woody Strands, 35, 37, 72, 162, 172, 



177, s 17, 47, 58, 101. 

 Woolly -Back Fern, 80, s 46. 

 Woolly Breeches, s 72. See also 



Amsinckia. 

 Wormwood, s 25, 93. 



Xanthium, s 91, 95. 



Yarrow, s 92. 



Yeast Plants, 52, s 30. 



Yellow Forget-me-not, or Helio- 

 trope, 121, 122, 201, 207, s 72, 

 124, 125. See also Forget-me- 

 not and Amsinckia. 



Yellow Mats, s 75, 95. 



Yellow Pine, s 100. 



Yerba Buena, s 86. 



Yerba Mansa, 207, s 109, 124. 



Yerba Santa, s 72. 



Yucca, 162-166, Fig. 62, p. 167, s 24, 

 102-103. See also Frontispiece. 



Zauschneria, Fig. 15, p. 49, s 26, 52. 



See also Fuchsia, Wild. 

 Zoospore, s 7. 

 Zygnema, s 6. 

 Zygadenus, s 56. 



